diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-03-02 15:33:30 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-14 11:32:05 -0700 |
| commit | 4f7a207fa110fe9af0d8b68f243337599fb78702 (patch) | |
| tree | dc036c2e0cf4f738687e192f5bdec6543a3b42da /drivers/hwmon/sht15.c | |
| parent | d726c470444d85b2cb8cf2dd87f038bb04292b00 (diff) | |
hwmon: (sht15) Check return value of regulator_enable()
commit 3e78080f81481aa8340374d5a37ae033c1cf4272 upstream.
Not having power is a pretty serious error so check that we are able to
enable the supply and error out if we can't.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/sht15.c')
| -rw-r--r-- | drivers/hwmon/sht15.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index 9594cdb1cd0..bbfa1e3a9f9 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -926,7 +926,13 @@ static int __devinit sht15_probe(struct platform_device *pdev) if (voltage) data->supply_uV = voltage; - regulator_enable(data->reg); + ret = regulator_enable(data->reg); + if (ret != 0) { + dev_err(&pdev->dev, + "failed to enable regulator: %d\n", ret); + return ret; + } + /* * Setup a notifier block to update this if another device * causes the voltage to change |